Printing envelope in Pages for IOS

When I try to print an envelope n(on iPad Pro), using the envelope templates in Pages, my print dialogue box shows the envelope formatted as a 8 1/2 x 11 piece of paper. Because I have envelopes stocked in the printer, I then get a printer error that I have the wrong size paper. When trying to change paper size in the print dialogue I am not given an envelope option. The letters printed fine on the iPad. I switched to my MacBook, and using the same saved envelopes, they printed without hesitation.

I would like to be able to do this from my iPad. Is there a solution?